=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Tue, 07 Apr 2015 04:57:58 GMT
Content-Type: application/pdf
Content-Length: 2502836
Last-Modified: Thu, 15 Jan 2015 19:07:41 GMT
Connection: close
ETag: "54b80ffd-2630b4"
Accept-Ranges: bytes


Link is valid.